101214557 has 2 divisors, whose sum is σ = 101214558. Its totient is φ = 101214556.

The previous prime is 101214517. The next prime is 101214569. The reversal of 101214557 is 755412101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96609241 + 4605316 = 9829^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 101214557 - 2¹⁰ = 101213533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101214517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50607278 + 50607279.

It is an arithmetic number, because the mean of its divisors is an integer number (50607279).

Almost surely, 2^101214557 is an apocalyptic number.

It is an amenable number.

101214557 is a deficient number, since it is larger than the sum of its proper divisors (1).

101214557 is an equidigital number, since it uses as much as digits as its factorization.

101214557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 101214557 is about 10060.5445677657. The cubic root of 101214557 is about 466.0304845377.

Adding to 101214557 its reverse (755412101), we get a palindrome (856626658).

The spelling of 101214557 in words is "one hundred one million, two hundred fourteen thousand, five hundred fifty-seven".